1 files changed, 80 insertions, 0 deletions
diff --git a/java/java/tasks/src/org/apache/qpid/tasks/Require.java b/java/java/tasks/src/org/apache/qpid/tasks/Require.java
new file mode 100644
index 0000000000..84870c90e4
--- /dev/null
+++ b/java/java/tasks/src/org/apache/qpid/tasks/Require.java
@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.qpid.tasks;
+
+import org.apache.tools.ant.taskdefs.Ant;
+
+import java.io.File;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Require
+ *
+ * @author Rafael H. Schloming &lt;rhs@mit.edu&gt;
+ **/
+
+public class Require extends BaseTask {
+
+    private File file;
+    private String target = "";
+    private Ant ant = null;
+    private String key = "";
+
+    public void setFile(File f) {
+        file = f;
+    }
+
+    public void setTarget(String t) {
+        target = t;
+    }
+
+    public void setKey(String k) {
+        key = k;
+    }
+
+    public void execute() {
+        validate("file", file).required();
+
+        String path = file.getAbsolutePath();
+        String hash = Require.class.getName() + ":" +
+            path + ":" + target + ":" + key;
+
+        synchronized (System.class) {
+            if (System.getProperty(hash) != null) {
+                return;
+            }
+
+            Ant ant = (Ant) getProject().createTask("ant");
+            ant.setInheritAll(false);
+            ant.setOwningTarget(getOwningTarget());
+            ant.setTaskName(getTaskName());
+            ant.init();
+            if (target.length() > 0) {
+                ant.setTarget(target);
+            }
+            ant.setAntfile(path);
+            ant.setDir(file.getParentFile());
+            ant.execute();
+
+            System.setProperty(hash, "done");
+        }
+    }
+
+}